To understand why "free keys" don't exist, you have to understand how the modern Trackmania (2020) game works. Unlike older games where you bought a CD and owned it forever, the new Trackmania operates on a .
Downloading a "generator" often installs viruses or steals your login credentials.
However, if you are looking for or Standard Access (which unlock more features like historical campaigns and social clubs), those usually require a paid subscription. The Truth About "Free CD Key Generators"